Seudónimo Seudónimo
  • 02-01-2015
  • Mathematics
contestada

Find the 22nd term of the arithmetic sequence with a1 = -6 and a common difference of d=3

Respuesta :

naǫ
naǫ naǫ
  • 02-01-2015
[tex]a_n=a_1+d(n-1) \\ a_1=-6 \\ d=3 \\ a_n=-6+3(n-1)=-6+3n-3=3n-9[/tex]

The nth term of the sequence is 3n-9.
Now replace n with 22.

[tex]a_{22}=3 \times22-9=66-9=57[/tex]

57 is the 22nd term of this sequence.
Answer Link

Otras preguntas

what is the staple meat for the middle east​
Determine the value of x. O2 square root 6 O 6square root 2 O 6square root 3 O 12
(05.01) 4^x = 8^x − 1 a. x=3/4 b. x=1 c. x=3 d. x=6 Algebra 2
on a sunny day . a 15 foot tall pole casts a 20 foot long shadow, how y’all is a person who casts a 8 foot shadow ?
Hummingbirds eat approximately 9.0g of sugar water per day A. If the sugar water is 25% sucrose (C12H22O11) how many moles of sugar does a humming bird consume
Find the value of x.(tangent)​
Species can vary in several ways. Which of the following is one of Darwin's ideas that was accepted by most scientists of his time due to the large number of fo
Chuck hires Danielle, a real estate broker, to act as his agent to sell his land for $150,000. Oil is discovered beneath the land, causing its market value to i
Eddie set up a science experiment with plants. He bought three small tomato plants, all about the same size and height, and set them all in his front window. He
Two uncharged, conducting spheres are separated by a distance d. When charge −Q is moved from sphere A to sphere B, the Coulomb force between them has magnitude